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To explain important properties of extrasolar planetary systems (eg. close-in hot Jupiters, resonant planets) an evolutionary scenario which allows for radial migration of planets in disks is required. During their formation protoplanets…

Earth and Planetary Astrophysics · Physics 2017-08-30 Willy Kley

Protoplanetary disks dissipate rapidly after the central star forms, on time-scales comparable to those inferred for planet formation. In order to allow the formation of planets, disks must survive the dispersive effects of UV and X-ray…

Earth and Planetary Astrophysics · Physics 2019-01-24 U. Gorti , R. Liseau , Zs. Sandor , C. Clarke

One of the main evolutionary stages of planet formation is the dynamical evolution of planetesimal disks. These disks are thought to evolve through gravitational encounters and physical collisions between single planetesimals. In recent…

Earth and Planetary Astrophysics · Physics 2015-05-20 Hagai B. Perets

Since the 1990's, protoplanetary disks and planetary disks have been intensively observed from the optical to the millimetre wavelength and many models have been developed to investigate their gas and dust properties and dynamics. These…

Astrophysics · Physics 2007-05-23 Anne Dutrey , Alain Lecavelier des Etangs , Jean-Charles Augereau

The recent detection of planets around very low mass stars raises the question of the formation, composition and potential habitability of these objects. We use planetary system formation models to infer the properties, in particular their…

Earth and Planetary Astrophysics · Physics 2017-02-01 Yann Alibert , Willy Benz

For centuries, our knowledge of planetary systems and ideas about planet formation were based on a single example, our solar system. During the last thirteen years, the discovery of ~170 planetary systems has ushered in a new era for…

Astrophysics · Physics 2007-05-23 Eric B. Ford

We present numerical simulations of terrestrial planet formation that examine the growth continuously from planetesimals to planets in the inner Solar System. Previous studies show that the growth will be inside-out, but it is still common…

Earth and Planetary Astrophysics · Physics 2019-08-05 Kevin J. Walsh , Harold F. Levison

Planets are formed inside disks around young stars. The gas, dust, and ice in these natal disks are the building materials of planets, and therefore their compositions fundamentally shape the final chemical compositions of planets. In this…

Earth and Planetary Astrophysics · Physics 2024-04-25 Ke Zhang

Planets are formed from collisional growth of small bodies in a protoplanetary disk. Bodies much larger than approximately $1$\,m are mainly controlled by the gravity of the host star and experience weak gas drag; their orbits are mainly…

Earth and Planetary Astrophysics · Physics 2015-05-08 Hiroshi Kobayashi

Circumstellar disks have long been regarded as windows into planetary systems. The advent of high sensitivity, high resolution imaging in the submillimetre where both the solid and gas components of disks can be detected opens up new…

Earth and Planetary Astrophysics · Physics 2016-03-23 Brenda C. Matthews , JJ Kavelaars

In expansion of our recent proposal (Physics, 2020, 2, 213-276) that the solar system's evolution occurred in two stages -- during the first stage, the gaseous giants formed (via disk instability), and, during the second stage (caused by an…

Solar and Stellar Astrophysics · Physics 2021-04-26 Elizabeth P. Tito , Vadim I. Pavlov

This Resource Letter gives an introduction to the main topics in exoplanet research. It is intended to serve as a guide to the field for upper-division undergraduate and graduate students, both theoretical and experimental, and for workers…

Earth and Planetary Astrophysics · Physics 2015-06-17 Michael Perryman

Planet--planet scattering is a major dynamical mechanism able to significantly alter the architecture of a planetary system. In addition to that, it may also affect the formation and retention of a debris disk by the system. A violent…

Earth and Planetary Astrophysics · Physics 2017-07-26 F. Marzari

Flattened, rotating disks of cool dust and gas extending for tens to hundreds of AU are found around almost all low mass stars shortly after their birth. These disks generally persist for several Myr, during which time some material…

Astrophysics of Galaxies · Physics 2011-08-30 Jonathan P. Williams , Lucas A. Cieza

The current picture of terrestrial planet formation relies heavily on our understanding of the dynamical evolution of planetesimals -- asteroid-like bodies thought to be planetary building blocks. In this study we investigate the growth of…

Astrophysics · Physics 2009-11-07 Roman R. Rafikov

We review the state of the field of terrestrial planet formation with the goal of understanding the formation of the inner Solar System and low-mass exoplanets. We review the dynamics and timescales of accretion from planetesimals to…

Earth and Planetary Astrophysics · Physics 2015-06-18 Sean N. Raymond , Eiichiro Kokubo , Alessandro Morbidelli , Ryuji Morishima , Kevin J. Walsh

Protoplanetary discs are dynamic environments where the interplay between chemical processes and mass transport shapes the composition of gas and dust available for planet formation. We investigate the combined effects of volatile chemistry…

These lecture notes discuss several topics in the physics of cosmic structure formation starting from the evolution of small-amplitude fluctuations in the radiation-dominated era. The topics include relativistic cosmological perturbation…

Astrophysics · Physics 2007-05-23 Edmund Bertschinger

The subject of satellite formation is strictly linked to the one of planetary formation. Giant planets strongly shape the evolution of the circum-planetary disks during their formation and thus, indirectly, influence the initial conditions…

Earth and Planetary Astrophysics · Physics 2014-11-20 Angioletta Coradini , Gianfranco Magni , Diego Turrini

The evolution of gravitationally unstable protoplanetary gaseous disks has been studied with the use of three-dimensional smoothed particle hydrodynamics simulations with unprecedented resolution. We have considered disks with initial…

Astrophysics · Physics 2008-11-26 Lucio Mayer , Thomas Quinn , James Wadsley , Joachim Stadel
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